--- a/debian/control	Fri Dec 09 15:08:52 2016 +0100
+++ b/debian/control	Wed Dec 07 14:07:35 2016 +0100
@@ -25,7 +25,7 @@
  python-pyramid,
  python-pyramid-multiauth,
  python-waitress,
- python-passlib,
+ python-passlib (<< 2.0),
  python-wsgicors,
  sphinx-common,
 Standards-Version: 3.9.6